Science

Saturday, 3 October 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Tears
The human eye produces up to about 115 liters of tears annually.
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Phobos
It is the closest orbiting moon in the Solar System.
It orbits Mars faster than it rotates, completing an orbit in 7 hours and 39 minutes.
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Graphene
Since the beginning of the 21st century, many companies and research laboratories have been working on developing commercial applications of graphene.
In 2014, the National Graphene Institute was established at the University of Manchester for this pu ...
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Anorexia Nervosa
The exact cause of anorexia is not yet known.
It is thought to consist of a combination of biological, psychological, and environmental factors.
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Mushrooms
Mushrooms are some of the oldest inhabitants of the Earth.
Latest evidence suggests that the first mushrooms evolved on Earth between 715 and 810 million years ago.
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Ganymede
Ganymede's core is composed of iron, which may be partially liquid and is surrounded by a thick mantle made of silicates.
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Tears
Watery eyes may be a signal of dry eye syndrome.
Dry eye syndrome is caused by insufficient quantity or quality of tears, which prevents the proper lubrication of eyeballs. It causes excessive watering of the eyes, as a response to the irritation.
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NASA
After the retirement of the Space Shuttle in 2011, NASA began the development of the Commercial Crew Program (CCP).
It is a joint program with private corporations—SpaceX, Boeing, and the Sierra Nevada. SpaceX provid ...
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Fungi
You can pay a fortune for them.
The most valuable mushrooms are white truffles. PLN 330.000 ($82.130,96) was paid for a specimen weighing 1.5 kg.
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NASA
The historical landing was a part of the Apollo 11 mission.
On July 20th, 1969, Neil Armstrong walked on the lunar surface as the first human in history. Edwin ...
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17 facts about Titan
17 facts about Titan
The largest of Saturn’s satellites
Titan is the only moon in the Solar System with such a dense atmosphere. It is the second largest moon in the Solar System after Ganymede (Jupiter III ...
18 facts about amber
18 facts about amber
Fossilized tree resin
Amber is one of the most interesting natural products. It looks like a gemstone, but it is a fossilized tree resin from ancient trees dating back mill ...
16 facts about liver
16 facts about liver
24/7 laboratory
The liver is one of the most essential human organs. It is extensively multitasking—it produces, filtrates, converts, and stores. It is thanks to the ...
29 facts about NASA
29 facts about NASA
For the Benefit of All
The Cold War, although a grim period in world history, brought an intense rivalry in a space race between the U.S., and the Soviet Union. As a result, ...
16 facts about Aurora
16 facts about Aurora
Northern light that has delighted people for centuries
Auroras can be different. Sometimes it is bright and dancing, shimmering with different colors, sometimes it appears still. It has always fascinated p ...
19 facts about Brain
19 facts about Brain
Organic supercomputer
The brain is one of the most important and most fascinating and complex organs in the human body. It is an incredibly plastic command center that over ...
16 facts about Phobos
16 facts about Phobos
The larger of two moons of Mars
We do not know the exact origin of this satellite. We know, however, that it is dangerously close to its planet and is in for a catastrophe. It is not ...
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